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The atmosphere is the layer of gases surrounding a celestial body, such as Earth, held in place by gravity. It plays a crucial role in supporting life by providing essential elements like oxygen and carbon dioxide, regulating temperature, and protecting against harmful solar radiation. Earth's atmosphere is composed mainly of nitrogen, oxygen, and trace gases, and it is divided into several layers, each with distinct characteristics. Additionally, the atmosphere influences weather and climate patterns, making it vital for ecological systems.

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3w ago

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